<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <link rel="stylesheet" href="css/02.css">
</head>
<body>
   
    <div id="container">
        <canvas id="canvas1">

        
        </canvas><div id="gameSpeed">
            <p>game speed:
                <span id="speedShow"></span>
            </p>
            <input type="range" min="1" max="20" value="0" length="200" id="slider">
        </div>
    </div>
    
</body>
<script src="js/02.js"></script>
</html>